CN216750145U - Immersion liquid cooling battery and immersion liquid cooling battery box - Google Patents

Immersion liquid cooling battery and immersion liquid cooling battery box Download PDF

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Publication number
CN216750145U
CN216750145U CN202121654800.7U CN202121654800U CN216750145U CN 216750145 U CN216750145 U CN 216750145U CN 202121654800 U CN202121654800 U CN 202121654800U CN 216750145 U CN216750145 U CN 216750145U
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liquid
plate
immersion liquid
cooling
cavity
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CN202121654800.7U
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范刘学
付垚
马训振
李永伟
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Beijing WeLion New Energy Technology Co ltd
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Beijing WeLion New Energy Technology Co ltd
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Abstract

The utility model discloses an immersion liquid-cooled battery and an immersion liquid-cooled battery box, wherein the immersion liquid-cooled battery box comprises a bottom plate (8) and a plurality of circumferential plates; the inner surface of the bottom plate (8) and the inner surfaces of the plurality of circumferential plates form a battery cell cavity for accommodating a battery cell; the bottom plate (8) and at least one of the plurality of circumferential plates are internally provided with cooling cavities which are independent from the cell cavities; the plate is provided with a liquid inlet for allowing cooling liquid to enter the cooling cavity and an air outlet for exhausting air in the cooling cavity; the liquid inlet and the air outlet are communicated with the cooling cavity and the outer surface of the plate; the horizontal position of the air exhaust port is higher than that of the liquid inlet port. The immersion liquid-cooled battery provided by the utility model has the advantages that the overall contact area of the cooling liquid and the immersion liquid-cooled battery box body is increased, the heat dissipation capability of the immersion liquid-cooled battery box body is improved, and the heat dissipation effect of the battery core is effectively improved.

Description

Immersion liquid cooling battery and immersion liquid cooling battery box
Technical Field
The utility model relates to the technical field of battery equipment, in particular to an immersion liquid-cooled battery and an immersion liquid-cooled battery box body.
Background
The battery package is as one of unmanned aerial vehicle's core system, provides the power source for unmanned aerial vehicle, and its electric core needs big multiplying power charge-discharge for the temperature of electric core lasts to rise, and the heat dissipation problem is especially outstanding.
Traditional natural heat dissipation and air cooling can not meet the heat dissipation effect, so the immersion liquid cooling battery is a battery which is commonly used at present. The current immersion liquid cooling battery is to place whole battery package (immersion liquid cooling battery) into the basin and cool down, through the water in the basin or the contact of other coolant liquid and the outer wall of the box of immersion liquid cooling battery, carries out the heat exchange to cooling the immersion liquid cooling battery, the heat effluvium of guaranteeing that the electric core of immersion liquid cooling battery accumulates. However, the structure of the box body limits the heat dissipation of the battery cell.
Therefore, how to improve the heat dissipation effect of the battery cell is a problem to be urgently solved by the technical staff.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an immersion liquid cooling battery box to improve the heat dissipation effect of the battery core. The utility model also provides the immersion liquid cooling battery.
In order to achieve the purpose, the utility model provides the following technical scheme:
an immersion liquid cooling battery box body comprises a bottom plate and a plurality of circumferential plates;
the inner surface of the bottom plate and the inner surfaces of the plurality of circumferential plates form a battery cell cavity for accommodating a battery cell;
a cooling cavity which is mutually independent from the battery cell cavity is arranged in the bottom plate and at least one of the plurality of circumferential plates;
the plate is provided with a liquid inlet for allowing cooling liquid to enter the cooling cavity and an air outlet for exhausting air in the cooling cavity; the liquid inlet and the air outlet are communicated with the cooling cavity and the outer surface of the plate;
the horizontal position of the air exhaust port is higher than that of the liquid inlet.
Optionally, in the above immersion liquid cooling battery box, the cooling cavity is provided inside the circumferential plate, and a liquid inlet of the cooling cavity is a bottom liquid inlet located on one side of the circumferential plate close to the bottom plate;
the air exhaust port of the cooling cavity is a top liquid inlet located on one side, far away from the bottom plate, of the circumferential plate.
Optionally, in the above immersion liquid cooling battery box, the circumferential plate includes an inner plate and a hollow section bar arranged outside the inner plate;
the cooling cavity is a hollow inner cavity of the hollow section.
Optionally, in the above-mentioned immersion liquid-cooled battery box, the circumferential plate is provided with two hollow sections, and the two hollow sections are symmetrically arranged on two sides of the inner plate;
the bottom liquid inlet is a bevel cut arranged on the opposite side of the hollow section bar;
the opposite side of the hollow section bar is the side where the two hollow section bars are close to each other.
Optionally, in the above-mentioned immersion liquid cooling battery box, the number of top inlet is a plurality of and arranges along vertical direction.
Optionally, in the above-mentioned immersion liquid-cooled battery box, the plurality of circumferential plates include two end plates symmetrically arranged and two side plates symmetrically arranged, and the same side edges of the two end plates are respectively connected with the two side edges of one of the side plates;
the cooling cavity is formed in the side plate.
Optionally, the immersion liquid-cooled battery box further comprises a middle partition plate arranged in the battery cell cavity, and two side edges of the middle partition plate are respectively connected with the two end plates;
an intermediate cooling cavity which is mutually independent from the battery cell cavity is arranged in the intermediate partition plate;
the end plate is provided with an intermediate liquid inlet through which cooling liquid enters the intermediate cooling cavity and an intermediate air outlet through which air in the intermediate cooling cavity is exhausted, and the intermediate liquid inlet and the intermediate air outlet are communicated with the intermediate cooling cavity and the outer surface of the end plate;
the horizontal position of the middle air exhaust port is higher than that of the middle liquid inlet.
Optionally, in the immersion liquid-cooled battery box, the number of the middle exhaust ports is multiple and the middle exhaust ports are arranged in the vertical direction;
and/or the number of the intermediate liquid inlets is multiple and is arranged along the vertical direction.
The utility model also provides the immersion liquid-cooled battery, which comprises an immersion liquid-cooled battery box body and a battery cell arranged in the immersion liquid-cooled battery box body, and is characterized in that the immersion liquid-cooled battery box body is the immersion liquid-cooled battery box body as described in any one of the above items.
Optionally, in the above-mentioned immersion liquid-cooled battery, a heat conduction structure adhesive capable of positioning the battery core is filled between the battery core cavity of the immersion liquid-cooled battery box and the battery core.
According to the technical scheme, the cooling cavity is arranged in the bottom plate and at least one plate of the plurality of circumferential plates, so that the cooling cavity is independent from a battery cell cavity for accommodating a battery cell, and cooling liquid in the cooling cavity cannot enter the battery cell cavity; and, when soaking immersion liquid cooling battery in the basin of holding the coolant liquid and cooling, the coolant liquid in the basin contacts with the surface contact of immersion liquid cooling battery box to, partly coolant liquid can be along with the inlet gets into the cooling chamber, and along with the entering of coolant liquid, the gas of cooling intracavity can be discharged by the gas vent. Through the arrangement, the whole contact area of the cooling liquid and the immersion liquid cooling battery box body is increased, the heat dissipation capacity of the immersion liquid cooling battery box body is improved, and the heat dissipation effect of the electric core is effectively improved.
According to the water-immersed liquid-cooled battery provided by the utility model, as the water-immersed liquid-cooled battery box body has the technical effects, the water-immersed liquid-cooled battery with the water-immersed liquid-cooled battery box body also has the same technical effects, and the water-immersed liquid-cooled battery is not described in detail herein.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of a first structure of an immersion liquid-cooled battery case according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a second structure of the immersion liquid-cooled battery box according to the embodiment of the present invention.
Detailed Description
The utility model discloses a water-immersed liquid-cooled battery box body, which aims to improve the heat dissipation effect of a battery core. The utility model also provides the immersion liquid cooling battery.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and fig. 2, an embodiment of the utility model provides an immersion liquid-cooled battery box, which includes a bottom plate 8 and a plurality of circumferential plates; the inner surface of the bottom plate 8 and the inner surfaces of the plurality of circumferential plates form a battery cell cavity for accommodating a battery cell; a cooling cavity which is independent from the battery cell cavity is arranged in the bottom plate 8 and at least one plate in the plurality of circumferential plates; the plate is provided with a liquid inlet for allowing cooling liquid to enter the cooling cavity and an air outlet for exhausting air in the cooling cavity; the liquid inlet and the air outlet are communicated with the cooling cavity and the outer surface of the plate; the horizontal position of the air outlet is higher than that of the liquid inlet.
According to the water-immersed liquid-cooled battery box body provided by the embodiment of the utility model, the cooling cavity is arranged in the bottom plate 8 and at least one plate in the plurality of circumferential plates, so that the cooling cavity and the battery cell cavity for accommodating the battery cell are mutually independent, and the cooling liquid in the cooling cavity cannot enter the battery cell cavity; and, when soaking the immersion liquid cooling battery and cooling in the basin of holding the dress coolant liquid, the surface contact of coolant liquid and immersion liquid cooling battery box in the basin to, partly coolant liquid can be along with the inlet gets into the cooling chamber, and along with the entering of coolant liquid, the gas in the cooling chamber can be discharged by the gas vent. Through the arrangement, the whole contact area of the cooling liquid and the immersion liquid cooling battery box body is increased, the heat dissipation capacity of the immersion liquid cooling battery box body is improved, and the heat dissipation effect of the electric core is effectively improved.
It can be understood that the immersion liquid cooling battery box is waterproof design, and the coolant liquid can get into the cooling chamber through the inlet, can not electric core cavity, has effectively avoided the inside that the coolant liquid got into the group battery.
In the embodiment, a cooling cavity is arranged in the circumferential plate, and a liquid inlet of the cooling cavity is a bottom liquid inlet 4 positioned on one side of the circumferential plate close to the bottom plate 8; the exhaust port of the cooling cavity is a top liquid inlet 5 positioned on one side of the circumferential plate far away from the bottom plate 8. Of course, a cooling cavity may be provided inside the bottom plate 8 in addition to the cooling cavity provided inside the circumferential plate. It is also possible to provide cooling cavities only in the interior of the bottom plate 8.
In consideration of convenient processing, the circumferential plate comprises an inner plate and a hollow profile arranged on the outer side of the inner plate; the cooling cavity is a hollow inner cavity of the hollow section. Wherein, the hollow section bar can be a section bar with a hollow structure; the hollow section bar can also be set into a U-shaped section bar, and a hollow inner cavity is formed by connecting the U-shaped section bar with the inner plate.
In order to conveniently guide the cooling liquid into the cooling cavity, the circumferential plate is provided with two hollow sections which are symmetrically arranged on two sides of the inner plate; the bottom liquid inlet 4 is a bevel cut arranged on the opposite side of the hollow section; the opposite side of the hollow section is the side where the two hollow sections are close to each other.
In this embodiment, the top liquid inlet 5 is an opening penetrating through the outer side wall of the hollow section bar; the cooling cavity is located between the outer side wall and the inner plate of the hollow profile.
In order to improve the exhaust effect and facilitate the cooling liquid to enter the cooling cavity, the top liquid inlets 5 are arranged in a plurality and along the vertical direction. Preferably, the number of top loading ports 5 is three. Further, top inlet 5 is the bar hole, and the length direction in bar hole sets up along vertical direction, enlarges the open area of top inlet 5 as far as possible.
As shown in fig. 1 and fig. 2, in a specific embodiment, the plurality of circumferential plates of the water-immersed liquid-cooled battery box body include two end plates 1 symmetrically arranged and two side plates 2 symmetrically arranged, and the same side edge of each of the two end plates 1 is connected with the two side edges of one of the side plates 2; the interior of the side plate 2 has a cooling cavity. The immersion liquid cooling battery box body can also be arranged into other structures, such as a cylinder shape or a triangular prism.
The immersion liquid cooling battery box body provided by the embodiment of the utility model also comprises a middle clapboard 3 arranged in the electric core cavity, and two side edges of the middle clapboard 3 are respectively connected with the two end plates 1; an intermediate cooling cavity which is mutually independent from the battery cell cavity is arranged in the intermediate partition plate 3; the end plate is provided with a middle liquid inlet 6 for allowing cooling liquid to enter the middle cooling cavity and a middle air outlet 7 for discharging air in the middle cooling cavity, and the middle liquid inlet 6 and the middle air outlet 7 are communicated with the middle cooling cavity and the outer surface of the end plate 1. Namely, the intermediate cooling cavity is communicated with the external space of the intermediate cooling cavity only through the intermediate liquid inlet 6 and the intermediate air outlet 7; the horizontal position of the intermediate air outlet 7 is higher than that of the intermediate liquid inlet 6. Through setting up intermediate bottom 3 to further improve the radiating effect to electric core.
In this embodiment, the intermediate partition 3 may be a hollow section.
The hollow section (the intermediate partition 3 and the hollow section provided in the circumferential plate) may be a hollow section. The aluminum material has better heat conductivity, so that the heat dissipation effect is further improved.
As shown in fig. 1 and 2, the number of the intermediate exhaust ports 7 is plural and arranged in the vertical direction. Through the arrangement, the exhaust effect is improved, and the cooling liquid can conveniently enter the middle cooling cavity.
Further, middle gas vent 7 is the bar hole, and the length direction in bar hole sets up along vertical direction, enlarges the open area of middle gas vent 7 as far as possible.
In the same way, the number of the middle liquid inlets 6 is a plurality and is arranged along the vertical direction. Through the arrangement, the liquid inlet effect is improved.
Further, middle inlet 6 is the bar hole, and the length direction in bar hole sets up along vertical direction, enlarges the open area of middle inlet 6 as far as possible.
The embodiment of the utility model also provides the immersion liquid-cooled battery, which comprises an immersion liquid-cooled battery box body and a battery cell arranged in the immersion liquid-cooled battery box body, wherein the immersion liquid-cooled battery box body is any one of the immersion liquid-cooled battery box bodies.
According to the water-immersed liquid-cooled battery provided by the embodiment of the utility model, as the water-immersed liquid-cooled battery box body has the technical effects, the water-immersed liquid-cooled battery with the water-immersed liquid-cooled battery box body also has the same technical effects, and the description is not repeated.
Furthermore, heat conducting structure glue capable of positioning the battery core is filled between the battery core cavity of the water-immersed liquid-cooled battery box body and the battery core. Wherein, the heat conduction structure is glued and can be played the location effect of electric core in electric core cavity, avoids electric core to rock, also can guarantee the inseparable laminating of electric core and immersion liquid cooling battery box, realizes that a plurality of cooling surfaces (a plurality of faces of immersion liquid cooling battery box) derive electric core heat, ensures the radiating effect of electric core.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The immersion liquid cooling battery box body is characterized by comprising a bottom plate (8) and a plurality of circumferential plates;
the inner surface of the bottom plate (8) and the inner surfaces of the plurality of circumferential plates form a battery cell cavity for accommodating a battery cell;
the bottom plate (8) and at least one of the plurality of circumferential plates are internally provided with cooling cavities which are independent from the cell cavities;
the plate is provided with a liquid inlet for allowing cooling liquid to enter the cooling cavity and an air outlet for exhausting air in the cooling cavity; the liquid inlet and the air outlet are communicated with the cooling cavity and the outer surface of the plate;
the horizontal position of the air exhaust port is higher than that of the liquid inlet.
2. The immersion liquid-cooled battery box according to claim 1, characterized in that the cooling cavity is provided inside the circumferential plate, and the liquid inlet of the cooling cavity is a bottom liquid inlet (4) located on one side of the circumferential plate close to the bottom plate (8);
the exhaust port of the cooling cavity is a top liquid inlet (5) located on one side, far away from the bottom plate (8), of the circumferential plate.
3. The flooded liquid cooled battery box of claim 2, wherein the perimeter plate includes an inner plate and a hollow profile disposed outside the inner plate;
the cooling cavity is a hollow inner cavity of the hollow section.
4. The flooded liquid cooled battery box of claim 3, wherein there are two of said hollow profiles on said perimeter plate, said two hollow profiles being symmetrically disposed on either side of said inner plate;
the bottom liquid inlet (4) is a bevel cut arranged on the opposite side of the hollow section bar;
the opposite side of the hollow section bar is the side where the two hollow section bars are close to each other.
5. An immersion liquid-cooled battery box according to claim 3, characterized in that the number of the top inlet ports (5) is plural and arranged in a vertical direction.
6. An immersion liquid-cooled battery box according to any of claims 1 to 5, characterized in that the plurality of circumferential plates comprises two symmetrically arranged end plates (1) and two symmetrically arranged side plates (2), the same side edge of the two end plates (1) being connected to the two side edges of one side plate (2), respectively;
the cooling cavity is arranged inside the side plate (2).
7. The immersion liquid-cooled battery box according to claim 6, further comprising a middle partition plate (3) disposed in the cell cavity, wherein two side edges of the middle partition plate (3) are respectively connected to the two end plates (1);
an intermediate cooling cavity which is mutually independent from the battery cell cavity is arranged in the intermediate partition plate (3);
the end plate is provided with an intermediate liquid inlet (6) for allowing cooling liquid to enter the intermediate cooling cavity and an intermediate air outlet (7) for exhausting air in the intermediate cooling cavity, and the intermediate liquid inlet (6) and the intermediate air outlet (7) are communicated with the intermediate cooling cavity and the outer surface of the end plate (1);
the horizontal position of the middle air outlet (7) is higher than that of the middle liquid inlet (6).
8. The immersion liquid-cooled battery case as claimed in claim 7, characterized in that said intermediate vents (7) are plural in number and arranged in a vertical direction;
and/or the number of the intermediate liquid inlets (6) is multiple and is arranged along the vertical direction.
9. An immersion liquid-cooled battery comprising an immersion liquid-cooled battery case and an electrical core disposed within the immersion liquid-cooled battery case, wherein the immersion liquid-cooled battery case is according to any one of claims 1 to 8.
10. The immersion liquid-cooled battery of claim 9, wherein a thermally conductive structural adhesive capable of positioning the cell is filled between the cell cavity of the immersion liquid-cooled battery case and the cell.
CN202121654800.7U 2021-07-20 2021-07-20 Immersion liquid cooling battery and immersion liquid cooling battery box Active CN216750145U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121654800.7U CN216750145U (en) 2021-07-20 2021-07-20 Immersion liquid cooling battery and immersion liquid cooling battery box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121654800.7U CN216750145U (en) 2021-07-20 2021-07-20 Immersion liquid cooling battery and immersion liquid cooling battery box

Publications (1)

Publication Number Publication Date
CN216750145U true CN216750145U (en) 2022-06-14

Family

ID=81908839

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121654800.7U Active CN216750145U (en) 2021-07-20 2021-07-20 Immersion liquid cooling battery and immersion liquid cooling battery box

Country Status (1)

Country Link
CN (1) CN216750145U (en)

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